/*
 * Copyright (c) 2023. Baidu, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *    http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 */

package com.baidu.bifromq.baserpc;

import io.reactivex.rxjava3.core.Observable;

public interface IConnectable {
    enum ConnState {
        CONNECTING,

        READY,

        TRANSIENT_FAILURE,

        IDLE,

        SHUTDOWN
    }

    /**
     * The observable of rpc connectivity state
     *
     * @return an observable of connection state
     */
    Observable<ConnState> connState();
}
